WinCE的USB Device功能实现(Serial,RNDIS,Mass_Storage)

#define USBSERIAL_NAME "\\\\.\\wceusbsh001"

int _tmain(int argc, _TCHAR* argv[])
{
    HANDLE hSerial;
    DCB PortDCB;
    COMMTIMEOUTS CommTimeouts;
    unsigned char buf[64];
    DWORD i, num;
    BOOL SerialFlag;
 
    hSerial = CreateFile(_T(USBSERIAL_NAME), (GENERIC_READ | GENERIC_WRITE), 0, NULL, OPEN_EXISTING, 0, NULL);
    if (hSerial == NULL)
    {
        printf("Open Error.\r\n");
        return 1;
    }

    PortDCB.DCBlength = sizeof(DCB);
    GetCommState(hSerial, &PortDCB);
    PortDCB.BaudRate = 115200;
    PortDCB.ByteSize = 8;
    PortDCB.Parity = NOPARITY;
    PortDCB.StopBits = ONESTOPBIT;
    if (! SetCommState(hSerial, &PortDCB))
    {
       printf("Set COM Parameter Error.\r\n");
       CloseHandle(hSerial);
       return 1;
    }

    GetCommTimeouts(hSerial, &CommTimeouts);
    CommTimeouts.ReadIntervalTimeout = MAXDWORD;
    CommTimeouts.ReadTotalTimeoutMultiplier = 10;
    CommTimeouts.ReadTotalTimeoutConstant = 10;
    CommTimeouts.WriteTotalTimeoutMultiplier = 50;
    CommTimeouts.WriteTotalTimeoutConstant = 100;

    if (!SetCommTimeouts(hSerial, &CommTimeouts))
    {
        printf("Set COM timeout parameter error.\r\n");
        CloseHandle(hSerial);
        return 1;
    }
    // Write data

    for (i = 0; i < 10; i ++)
    {
        memset(buf, i, sizeof(buf));
        SerialFlag = WriteFile(hSerial, buf, sizeof(buf), &num, NULL);
        if (SerialFlag)
        {
            printf("Write %d bytes to COM.\r\n", num);
        }
        else
        {
            printf("Write COM Error.\r\n");
        }
        Sleep(1000);
    }

    // Receive Data

    while(1)
    {
        memset(buf, 0, sizeof(buf));
        SerialFlag = ReadFile(hSerial, buf, 16, &num, 0);
        if (SerialFlag)
        {
            if (num == 0)
            {
                printf("Read Successfully, but didn't read any data.\r\n");
            }
            else
            {
                printf("Read data: ");
                for (i = 0; i < 16; i ++)
                {
                    printf("0x%x, ", buf[i]);
                }
                printf("\r\n");
            }
        }
        else
        {
            printf("Read COM Error.\r\n");
        }
        Sleep(1000);
    }

    CloseHandle(hSerial);

    return 0;
}